(19)
(11) EP 0 649 953 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.07.1995 Bulletin 1995/27

(43) Date of publication A2:
26.04.1995 Bulletin 1995/17

(21) Application number: 94307745.3

(22) Date of filing: 21.10.1994
(51) International Patent Classification (IPC)6E04H 17/14, E05B 63/12, E01F 13/02, E01F 9/011
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 21.10.1993 GB 9321709

(71) Applicant: BRAMMER SYSTEMS LIMITED
London SW1W 9RB (GB)

(72) Inventor:
  • Norman, John Michael
    Bracknell, Berks (GB)

(74) Representative: Stebbing, Peter John Hunter et al
Ablett & Stebbing 45 Lancaster Mews Lancaster Gate
London W2 3QQ
London W2 3QQ (GB)


(56) References cited: : 
   
       


    (54) Lockable linkage assembly


    (57) A lockable linkage assembly comprises a first linkage member (1) having a slot into which can be inserted an end section of a second linkage member in the form of a tongue (9). The tongue includes a recess which engages an edge of the slot to retain the two together. A locking member in the form of a locking tongue (17) is insertable in the slot to thereby lock the tongue in the slot until the locking member is withdrawn.







    Search report